@article {3078,
	title = {Size-specific Mortality, Growth, and Structure of a Great Smoky Mountains Red Spruce Population},
	journal = {Canadian Journal of Forest Research},
	volume = {20},
	year = {1990},
	month = {February},
	pages = {206-210},
	keywords = {Forest canopy, Fraser fir, Red spruce, Trees, Trees -- Growth},
	author = {Busing, Richard T and Wu, Xinyuan}
}
@mastersthesis {6639,
	title = {Growth Patterns of Red Spruce Populations in Two Spruce-Fir Forest Stands in the Great Smoky Mountains National Park},
	year = {1988},
	school = {University of Tennessee},
	type = {Master of Science},
	address = {Knoxville, TN},
	keywords = {Ecology, Red spruce, Spruce-Fir forests, Trees -- Growth},
	url = {http://trace.tennessee.edu/utk_gradthes/3289/},
	author = {Wu, Xinyuan}
}
